I know I can set a countdown for each slide with

---
output:
  xaringan::moon_reader:
    nature:
      countdown: 60000
---

But what if I want to time my whole presentation? I mean, I have 15 minutes to present all slides.

CodePudding user response：

For the whole presentation, you may just follow Garrick Aden-Bui's answer on GitHub: https://github.com/gadenbuie/countdown/issues/14#issuecomment-559107293

Here is an example: https://bttomio.github.io/slides/25thFMM/slides.html (with files in this public repository: https://github.com/bttomio/bttomio.github.io/tree/master/slides/25thFMM)